OpenTechnical

OT-2026-000020001

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000020001) never changes.

Identity and time

Publication numberOT-2026-000020001 · never reused
Internal UUID01a0ae6f-1fb7-747a-b473-0301d63d3a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020001
StatusPUBLIC

Content hashes

Canonical textdb2dd2c60eaf08d6d9a20563b2fdb218e7bd727ccbc9a287804131617e4a6d0c
Markdown3c158ce8ddee6f7afa2c24e89e4f4d3deccbb45297779ccdd3bd4e749b0f8558
PDF
Publication page20783d06824ac887ddb50d45b5f0b325b161375420d9cc1233e94d5a78439555
Manifest70359ab8a4d4ae77f8c0b38a4eeac8c52715250773d9f89018586592baf02895

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturesRMaG1GbJWEjSESAdUrYoNogLD4FTi1KrRvUFWoQ7f4zceNa9MsnPQBrq2wc04Q+eKb0CIBxjgedU+7acpSxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:14.825964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020001
observed 20783d06824ac887ddb50d45b5f0b325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.804893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020001/manifest.json
observed 70359ab8a4d4ae77f8c0b38a4eeac8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.785513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020001/publication.md
observed 3c158ce8ddee6f7afa2c24e89e4f4d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.766079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020001/publication.txt
observed db2dd2c60eaf08d6d9a20563b2fdb218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.